paul stephenson the chief of scotland yard resigned. he testified that 10 of 45 officers metropolitan police force are former employees of news international. he thought he needed to step down. >> i have spoken to many police officers since my resignation. and they are willing to do something even though they didn't do anything wrong but willing to walk away when it might interfere with their discharge of duties. >> again, he is expected to testify shortly. his son and rebecca brooks will also appear for questioning today. >> space shuttle atlantis has left the international space station for the last time. they undocked from the space station late last night, the crew of four are due back on earth sunday morning, they left behind a year's worth of supplies and left the crew with a commemorative shuttle model and u.s. flag that flew on the space shuttle mission in 1981. >>> we were talking last week about it heated up a bit, now, mike? >> he is making us wait, a little step at a time there. >> definitely, baby steps as we talked about a